31347420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40189}}^1$

素因数の和:40214

約数の個数: 48

約数和(自身を含む): 94526880

約数和(自身を除く): 63179460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40189, 80378, 120567, 160756, 200945, 241134, 401890, 482268, 522457, 602835, 803780, 1044914, 1205670, 1567371, 2089828, 2411340, 2612285, 3134742, 5224570, 6269484, 7836855, 10449140, 15673710, 31347420]

約数ペア:

[(1, 31347420), (2, 15673710), (3, 10449140), (4, 7836855), (5, 6269484), (6, 5224570), (10, 3134742), (12, 2612285), (13, 2411340), (15, 2089828), (20, 1567371), (26, 1205670), (30, 1044914), (39, 803780), (52, 602835), (60, 522457), (65, 482268), (78, 401890), (130, 241134), (156, 200945), (195, 160756), (260, 120567), (390, 80378), (780, 40189)]